年份第 1 季第 2 季第 3 季第 4 季
2020-20.81%13.24%6.10%無
20193.22%-3.45%-8.35%3.99%
2018-2.36%1.24%0.40%-31.00%
20175.64%8.36%12.26%11.43%
2016-5.42%6.45%-2.34%5.79%
20154.65%1.77%-10.35%6.65%
2014-8.09%5.57%9.93%2.99%
201325.12%8.57%6.79%13.11%
201213.89%-10.04%-4.92%15.49%
2011-1.92%-3.29%-15.34%-4.91%
20103.60%-14.96%-3.07%9.56%
2009-13.80%19.24%0.69%0.34%
2008-22.26%6.54%-21.72%-28.69%
2007-1.06%2.66%-6.22%-15.05%
20065.47%-10.63%-0.88%5.65%